What about Agenda Groups?
 
Rule "pick group X"
when
    Fact( attribute = "condition1" )
then
    drools.setFocus("Group X")
end
 
Rule "pick group Y"
when
    Fact( attribute = "condition2" )
then
    drools.setFocus("Group Y")
end
 
Rule "Group X1"
Agenda Group "Group X"
when
    Smurf( )
then
    // Do something
end
 
Rule "Group X2"
Agenda Group "Group X"
when
    Smurfette( )
then
    // Something else
end
 
etc


  _____  

From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jai Vasanth
Sent: 31 January 2008 19:45
To: [email protected]
Subject: [rules-users] Grouping rules


Hi,


 I am building a system where I would need to fire different sets of rules
based on some attribute in the fact object.  

Here are someways which I thought of, I was wondering if there was something
better than that.

1) I could do this by creating different sessions based on the data attrbute
(different sessions would have different rule packages based on the
attribute)

or 

2) Have all the rules fire (all the different sets of rules) irrespective of
the attribute and have them insert fact new objects into the working memory.
In the second round of rules, collect the (newly made) fact objects  based
on the attribute and take that action.



Thanks 

Jai 






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